Home / 13,917,162,201.76-19,205,686,971.12-7,658,912,985.76

Finding the Fourth Proportional to 13,917,162,201.76, 19,205,686,971.12 and 7,658,912,985.76

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Solution

The fourth proportional to 13,917,162,201.76, 19,205,686,971.12 and 7,658,912,985.76 is: 10,569,301,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917,162,201.76 : 19,205,686,971.12 = 7,658,912,985.76 : x
  2. Step 2: Convert to fraction form
    13,917,162,201.76/19,205,686,971.12 = 7,658,912,985.76/x
  3. Step 3: Cross multiply
    13,917,162,201.76x = 19,205,686,971.12 × 7,658,912,985.76
  4. Step 4: Simplify right side
    13,917,162,201.76x = 147,094,685,343,552,602,112
  5. Step 5: Solve for x
    x = 147,094,685,343,552,602,112/13,917,162,201.76
  6. Step 6: Final answer
    x = 10,569,301,644.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.